Operation CHARM: Car repair manuals for everyone.
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Link: lemon-manuals.la or lemon-manuals.org.ua

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Ground Circuit

CIRCUIT OPERATION
Ground for the instrument cluster gauge and warning lamps is supplied on circuit Z2. This circuit terminates at the instrument panel ground.

Ground for the illumination lamps in the instrument cluster is supplied on circuit Z1.

Ground for the Body Control Module (BCM) is supplied on circuit Z2. This circuit connects to two pins at the BCM. The grounding points for the Z2 are the same, at the instrument panel ground.